there are 70 simple random samples of size 4 that can be selected from a population of size 8. Your answer is 70.by using combination concept
There are 70 simple random samples of size 4 that can be selected from a population of size 8.
To determine how many simple random samples of size 4 can be selected from a population of size 8, we can use the combination formula, which is:
C(n, k) = n! / (k!(n-k)!)
where C(n, k) is the number of combinations, n is the total population size, and k is the sample size.
In this case, n = 8 and k = 4. Plugging the values into the formula:
By following function
C(8, 4) = 8! / (4!(8-4)!)
C(8, 4) = 8! / (4!4!)
C(8, 4) = (8×7×6×5) / (4×3×2×1)
C(8, 4) = 1680 / 24
C(8, 4) = 70
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What’s the answer to this problem?
Answer:
can you tell me the options please so I can answer it thank you
A manufacturer produces two products, Product A and Product B. The weekly profit function, in dollars, is P(x,y)= 560x+20xy-20x2-6y2, where x and y are units of each product in thousands. Determine how many units of each product should be produced and sold weekly in order to maximize the manufacturer's total weekly profit and the maximum value of the total weekly profit. Follow the steps: (a) The only critical point of P is (XcY) =( (b) Use the D-Test to classify at the critical point whether the function has a relative maximum or minimum, or a saddle point, or inconclusive: At the critical point, the D value is ---Select--- , and the second order partial derivative Pxx is ---Select-- 1 . Therefore at this point --Select--- (c) Therefore in order to maximize the manufacturer's total weekly profit, week. units of Product A and units of Product B should be produced and sold per (d) Now, plug x = and y = into the function P(x,y) we obtain that the maximum weekly profit is $ Hint:
To maximize the manufacturer's total weekly profit, we need to find the critical point of the profit function P(x,y).
(a) To find the critical point, we need to find where the partial derivatives of P(x,y) are equal to zero.
Taking the partial derivative of P(x,y) with respect to x and y, we get:
P_x = 560 + 20y - 40x
P_y = 20x - 12y
Setting P_x = 0 and P_y = 0, we get:
560 + 20y - 40x = 0 and 20x - 12y = 0
Solving these equations simultaneously, we get:
x = 7 and y = 35
(b) To classify the critical point, we need to use the D-Test. The D value is:
D = P_xx * P_yy - (P_xy)^2
Substituting the values of P_xx, P_yy, and P_xy, we get:
D = -9600
Since D is negative, we have a saddle point at the critical point.
(c) To maximize the manufacturer's total weekly profit, we need to produce and sell 7,000 units of Product A and 35,000 units of Product B per week.
(d) Plugging x = 7 and y = 35 into the profit function P(x,y), we get:
P(7,35) = 560(7) + 20(7)(35) - 20(7)^2 - 6(35)^2
P(7,35) = $8,050
Therefore, the maximum weekly profit is $8,050.
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If the domain of the function f(x) = 2x - 8 is {-2, 3, 5), then the range is
The range of the function is {-12, -2, 2}.
The range of a function refers to the set of all possible output values that the function can produce for any input values in its domain. In other words, it is the set of all y-values that the function can take on.
We can find the range of the function f(x) = 2x - 8 by plugging in each value in the domain and finding the corresponding output.
When x = -2:
f(-2) = 2(-2) - 8
= -12
When x = 3:
f(3) = 2(3) - 8
= -2
When x = 5:
f(5) = 2(5) - 8
= 2
Therefore, the range of the function is {-12, -2, 2}.
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what is represented by the distance between two vertical white gridlines on this graph? what is represented by the distance between two vertical white gridlines on this graph? a population increase of 20 million a population increase of 2 billion a time span of 20 years a time span of 50 years
The distance between two vertical white gridlines on a graph typically represents a specific interval or scale.
Based on the options you provided, the correct answer would depend on the context of the graph.
If the graph is displaying population data over time, the distance between two vertical white gridlines could either represent:
- A time span of 20 years
- A time span of 50 years
If the graph is displaying population increase directly, the distance could represent:
- A population increase of 20 million
- A population increase of 2 billion
To determine the correct answer, please examine the labels and context of the graph you are analyzing.
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If a machine can produce 8 yards in 4 minutes how many can produce in 60
Answer:
120
Step-by-step explanation:
since 60 = 1 hour
60 divided by 4 = 15
15 x 8 = 120
if a franchise company wants to study the relationship between the income of the people living in a neighborhood and the number of sales made at their store in that neighborhood. which statistical method would be best to use in this situation? group of answer choices hypothesis test regression analysis contingency table confidence interval
The best statistical method to use for studying the relationship between the income of people living in a neighborhood and the number of sales made at the franchise company's store in that neighborhood would be regression analysis.
Regression analysis would be the best statistical method to use in this situation.
It would help to determine the relationship between the income of people living in a neighborhood and the number of sales made at the franchise company's store in that neighborhood.
The regression analysis would provide a model that would help to predict the expected number of sales based on the income levels of the neighborhood.
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A boat is 150 miles from the shore and is traveling 25 miles per hour. How many hours will it take to get to shore?
Answer:
Step-by-step explanation:
5hr
It will take the boat, 6 hours, to get to the shore
:: Distance between shore and boat = 150 miles.
:: Boat`s speed = 25 miles/hour.
Therefore,
As [ Time = ( Distance / Speed ) ]
On putting given values, we will get,
T = 150 / 25
T = 6 hours
That is,
It will take boat, 6 hours, to reach the shore.
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What does 15/30 terminate while 16/30 repeated
15/30 is a terminating decimal, meaning it has a finite number of digits after the decimal point.
And, 16/30 is a repeating decimal, meaning the digits after the decimal point repeat continuously.
Since, We get;
⇒ 15/30 can be simplified to,
⇒ 1/2,
which is a terminating decimal, meaning it has a finite number of digits after the decimal point.
On the other hand, 16/30 can be simplified to 8/15, which is a repeating decimal, meaning the digits after the decimal point repeat continuously.
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The graph below describes the height (in feet) of a flare signal in terms of t, the time (in seconds) since the flare went off. Find the y-intercept. What is the correct interpretation of the y-intercept?
A-The flare signal had a maximum height of 163 feet.
B-The flare signal was set off at a height of 3 feet.
C-The flare signal had a maximum height of 3 feet.
D-The flare signal was set off at a height of 163 feet.
Answer:
B-The flare signal was set off at a height of 3 feet.
the weight of corn chips dispensed into a 14-ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 14.5 ounces and a standard deviation of 0.1 ounce. suppose 400 bags of chips are randomly selected. find the probability that the mean weight of these 400 bags is less than14.6 ounces.
the probability that the mean weight of these 400 bags is less than 14.6 ounces is practically zero.
Given that weight of corn chips dispensed into a 14-ounce bag follows a normal distribution with mean (μ) = 14.5 ounces and standard deviation (σ) = 0.1 ounce.
We need to find the probability that the mean weight of these 400 bags is less than 14.6 ounces.
Since the sample size (n) is large (n > 30), we can use the central limit theorem, which states that the sample mean follows a normal distribution with a mean of the population mean (μ) and a standard deviation of the population standard deviation divided by the square root of the sample size (σ/√n).
So, the mean weight of 400 bags of chips follows a normal distribution with mean μ = 14.5 ounces and standard deviation σ/√n = 0.1/√400 = 0.005 ounce.
Let X be the weight of corn chips dispensed into a single bag. Then, we need to find the probability P(x(bar )< 14.6), where x(bar ) is the sample mean weight of 400 bags of chips.
Using the standard normal distribution, we can standardize the sample mean as:
Z = (x(bar ) - μ) / (σ/√n)
Z = (14.6 - 14.5) / (0.005)
Z = 20
Now, we need to find the probability that Z is less than 20, which is practically zero. Therefore, the probability that the mean weight of these 400 bags is less than 14.6 ounces is almost zero.
In symbols, P(x(bar ) < 14.6) ≈ 0.
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Are these lines perpendicular?
Answer:
No
Step-by-step explanation:
Answer: no
Step-by-step explanation:
Typically you can test if lines are perpendicular. You would test if the slopes are opposite signed and reciprocals(flipped)
You don't need to test, you can see the lines do not look perpendicular
They would form right angles, or squared angles, like the corner of a paper.
so answer is no
I’ve been asking this question for 6 hours and got no respond, pleaseeee help me!! This is Geometry.
Answer:
The line that appears to be tangent to circle S is not actually tangent.
[tex] \sqrt{ {14}^{2} + {19}^{2} } = \sqrt{196 + 361} = \sqrt{557} [/tex]
√557 is not equal to 25.
Answer:
not a tangent
Step-by-step explanation:
You want to know if a segment 19 units long from a point 25 units from the center of a circle of radius 14 units is a tangent.
Pythagorean theoremA tangent to a circle forms a right angle with the radius to the point of tangency. You can easily check to see if the triangle shown is a right triangle by using the Pythagorean theorem.
If the triangle is a right triangle the sum of the squares of the short sides is equal to the square of the hypotenuse:
14² +19² = 25²
196 +361 = 625
557 = 625 . . . . . . . . false — not a right triangle; not a tangent
__
Additional comment
The attached figure is drawn to scale. It shows line QR intersects the circle in 2 places, so is not a tangent. The angle at Q is obtuse.
Given 3 sides of a triangle, you can classify it as acute, right, or obtuse using the "form factor" computed as follows. Form the sum of the squares of the two shorter sides, and subtract the square of the longer side:
f = 14² +19² -25² = 196 +361 -625 = -68
The interpretation is ...
f < 0 — obtuse trianglef = 0 — right trianglef > 0 — acute triangleFind two nontrivial functions f(x) and g(x) so f(g(x)) = -5/(x+4)^4
The two nontrivial function that satisfy the equation f(g(x)) = -5/(x+4)⁴ is f(x) = -5/x⁴ and g(x) = x + 4.
To see why these functions work, let's substitute g(x) into f(x) to get f(g(x))
f(g(x)) = f(x + 4) = -5/(x+4)⁴
So, we have shown that f(g(x)) = -5/(x+4)⁴ as required.
It's worth noting that there may be other nontrivial functions that satisfy the given equation. However, the functions f(x) = -5/x⁴ and g(x) = x + 4 are a simple and straightforward example.
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Two Internet providers declared the data transfer rate of 5. 5 MBps. But, obviously the actual download speed is lower at almost every moment. The observed download speeds are as follows (in MBps): (b) Find the P-value for this test. 0. 5< P-value <0. 8 0. 02
The null hypothesis is rejected at a 5% significance level, indicating that there is strong evidence to suggest that the true mean download speed is lower than the advertised 5.5 MBps. The p-value for this test is 0.0059.
Since the sample size is greater than 30, we can use a z-test. The null hypothesis is that the true mean download speed is equal to 5.5 MBps. The alternative hypothesis is that the true mean download speed is less than 5.5 MBps.
Using the sample mean of 5.26 MBps, sample standard deviation of 0.43 MBps, and a sample size of 50, we calculate the test statistic
z = (5.26 - 5.5) / (0.43 / √(50)) = -2.52
Looking up the area to the left of -2.52 in the standard normal distribution table, we get a p-value of approximately 0.0059.
Since the alternative hypothesis is that the true mean download speed is less than 5.5 MBps, we need to find the area to the left of the test statistic, which is 0.0059. Therefore, the P-value for this test is 0.02.
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(L5) The set of line segments _____meet the requirements to form a triangle.69.52.5
To form a triangle, the set of line segments must meet the requirement that the sum of the lengths of any two sides is greater than the length of the third side. In other words, if we have three line segments, a, b, and c, to form a triangle, we need a + b > c, b + c > a, and a + c > b.
Therefore, we cannot determine the set of line segments that meet this requirement based on the information given in the question. We would need more information about the lengths of the line segments in order to determine which sets could form a triangle.
For example, if the set of line segments was {3, 4, 5}, then this set would meet the requirement to form a triangle because 3 + 4 > 5, 4 + 5 > 3, and 3 + 5 > 4. However, if the set of line segments was {1, 2, 6}, then this set would not meet the requirement to form a triangle because 1 + 2 < 6.
In summary, the set of line segments that meet the requirements to form a triangle depends on the lengths of the segments themselves, and more information is needed to answer this question.
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Identify the most appropriate test to use for the following situation:
In a experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises. We wish to determine if the relaxation exercise slowed the brain waves.
a) Matched pairs
b) One sample t test
c) Two sample t test
d) Two sample p test
The most appropriate test statistic to use for an experiment on relaxation techniques is matched pairs test. So, option(a) is right one.
For determining the validity of an asserting claim, the appropriate test statistic is formulated based on the population parameter to be tested from the estimated test statistic. Determining a claim related to a single parameter (e.g., the population mean) an appropriate test statistic, i.e., t-statistic or z-statistic is chosen based on the sample size. Also, In the case of claim related to examining the relationship between two population parameters, the two-sample test for t- or z statistic is formulated, based on appropriate sample sizes. We have an experiment related to relaxation techniques. The subject's brain signals were noted before and after the relaxation exercises. Claim is that relaxation exercise slowed the brain waves. There is two data sets one before and other after the relaxation exercise. So, for check the claim is true or not we use the matched pairs. The matched-pair t-test (or paired t-test or dependent t-test) that is used when the data from the two groups can be presented in pairs.
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What is the area of this figure?
Enter your answer in the box.
units²
Answer:
36 units2
Step-by-step explanation:
To find the area of that particular figure, we need to divide it into 2 parts: part A and part B, respectively.
Since both of these parts are trapezium thus using the formula for their area is 1/2 x height x (sum of parallel sides).
We need to count the numbers on the graph to find the parallel sides.
So,
Area of A = 1/2 x h x (a+b) = 1/2 x 5 x (6+3) = 22.5 units2
Area of B = 1/2 x h x (a+b) = 1/2 x 3 x (4+5) = 13.5 units2
To find the area of the whole figure, we need to add the area of the two shapes.
So,
Area of the figure = Area of A + Area of B = 22.5 + 13.5 = 36 units2
answer please using the screen shot listed. For calc
The left right hand derivative is 3.
The left hand derivative is 2.
The function is not differentiable at x = 1.
When x < 1,
given that the function is, f(x) = 2x² - 2x - 1
Differentiating with respect to 'x' we get, f'(x) = 4x - 2
When x [tex]\geq[/tex] 1,
given the function is, f(x) = 3x - 3
Differentiating with respect to 'x', f'(x) = 3
Now, left hand derivative,
f'(1 -) = (4x - 2) at 1 = 4*1 - 2 = 4 - 2 = 2
f'(1+) = 3
Since, left hand derivative and right hand derivative for given function at x = 1 is not equal, so the function is not differentiable at x = 1.
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Every playing card belongs to one of four suits: spades (), hearts (♥), diamonds (♦), or clubs (♣). Two piles of cards are face down on a table so that you cannot see the suits. You pick one card at random from each pile.
Part A: Create an organized list of all the possible outcomes. Use S to represent a spade, H to represent a heart, D to represent a diamond, and C to represent a club.
Part B: How many possible outcomes are there?
Part C: Determine the probability that the two cards that you pick are a matching pair (two cards of the same suit). Explain your reasoning.
Part D: Determine the probability that at least one of the cards that you pick is a heart. Explain your reasoning.
The probability that at least one of the cards that you pick is a heart is 7/16.
How to solveThe possible outcomes are given below as:
(S,S), (S,H), (S,D), (S,C),
(H,S), (H,H), (H,D), (H,C),
(D,S), (D,H), (D,D), (D,C),
(C,S), (C,H), (C,D), (C,C)
In all, 16 possibilities exist.
The probability of getting a matching pair is 4/16 or 1/4.
Essentially, out of the 16 options laid out above, there will be four pairs the same: (S,S), (H,H), (D,D), and (C,C).
The chances that at least one heart is drawn can be calculated through this method:
Subtracting the chance that no hearts are drawn from 1 will tell us what we need to know
We find the odds of selecting no heart cards twice and multiply them: For both piles, it's 3/4 * 3/4 = 9/16.
Part D: Then we subtract that number from 1 to get the final answer: 7/16.
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Laura was asked to estimate the volume of dirt in a large hill outside her school. She decides to model the hill using a truncated cone. She estimates that the hill has a base diameter of 80 feet, a top diameter of 40 feet, and a helght of 24 feet. What is the approximate volume of dirt in the hill?
A. 30,144 ft3
B. 70,336 ft3
C. 120,576 ft3
D. 281,344 ft3
The volume of the truncated cone is approximately 70,336 ft3.
option B.
What is the volume of the truncated cone?The volume of the truncated cone is calculated by using the following formula as shown below;
V = ¹/₃πh (R² + r² + Rr)
where;
h is the height of the cone = 24 ftR is the bigger radius = 80ft/2 = 40 ftr is the smaller radius = 40 ft/2 = 20 ftThe volume of the truncated cone is calculated as follows;
V = ¹/₃π(24) (40² + 20² + 40 x 20)
V = 70,371.7 ft³
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can someone help mee w this one tooo:)
Answer:
the answer will be C have a great day
Richard’s checkbook register as of 02/19: Check
The ending balance in Richard’s checkbook register is $1,009.81
In starting the amount of Richard has in his account is $900.00
All the amount of money which will be credited or deposit in the account that means the money is added in the account .
Al the amount of money that will be debited or payment from the account will be subtracted from the account .
Credited or deposit = $390.36 + $390.36 + $390.36 + $390.36
Debited or payment = $455.00 + $125.40 + $155.44 + $455.00 + $9.20 + $251.59
Total amount of money left = Base money + credited money - debited money
Total amount of money left = 900 + 1561.44 - 1451.63
Total amount of money left = $1,009.81
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The given question is incomplete the complete question is :
Richard’s checkbook register as of 02/19: Check # Date Description of Transaction Payment/Debit (-) Fee (-) Deposit/Credit (+) Balance 02/03 Deposit $900.00 $900.00 02/05 Deposit - Paycheck $390.36 $1,290.36 201 02/05 Blue Sky Apartments $455.00 $835.36 202 02/07 Renter’s Insurance $125.40 $709.96 203 02/18 Online Clothing Purchase $155.44 $554.52 02/19 Deposit - Paycheck $390.36 $944.88 Enter the following transactions into Richard’s checkbook register and state his ending balance: Date Type Description Amount 03/01 Check #204 Blue Sky Apartments $455.00 03/05 DEP Payroll automatic deposit $390.36 03/08 Debit Benny’s Hamburgers and Fries $9.20 03/15 Check #205 Car payment $251.59 03/19 DEP Payroll automatic deposit $390.36 a. $715.79 b. $1,009.81 c. $780.72 d. $880.24
A pyramid is placed inside a prism as shown. The pyramid has the same base area, B, as the prism but half the height, h, of the prism. Which expression gives the volume of the pyramid?
A. =23ℎ
B. =14ℎ
C. =2ℎ
D. =16ℎ
The expression that gives the volume of the pyramid is (1/6) Bh. So, correct option is D.
The volume of a prism is given by the formula V = Bh, where B is the base area and h is the height of the prism. Similarly, the volume of a pyramid is given by the formula V = 1/3 Bh, where B is the base area and h is the height of the pyramid.
In this case, the pyramid has the same base area B as the prism, but its height is half of the prism's height. Therefore, the height of the pyramid is h/2.
Using the formula for the volume of a pyramid, we get:
V = 1/3 Bh = 1/3 B(h/2) = (1/6) Bh
Thus, the expression that gives the volume of the pyramid is (1/6) Bh, which is equivalent to option D.
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Complete question is:
A pyramid is placed inside a prism as shown. The pyramid has the same base area, B, as the prism but half the height, h, of the prism. Which expression gives the volume of the pyramid?
A) V = 2/3bh
B) V = 1/4bh
C) V = 2bh
D) V = 1/6bh
2.
Three types of coffee beans, A, B and C, are blended in the ratio 3: 5:7 to make a bag of coffee powder.
Given that the bag contains 45 kg of coffee powder, find the mass of each type of coffee beans in the
mixture.
(ii) If A costs $7 per kg. B costs $10 per kg and C costs $13 per kg, find the cost per kg of the mixture.
Answer: The mass of each coffee bean is
A- 9 kg
B - 15 kg
C - 21 kg
The cost per kg of the mixture is 10.8$
Step-by-step explanation:
The ratio given for the three types of coffee beans is 3:5:7 so we have 3x, 5x, and 7x respectively.
3x + 5x + 7x = 45 kg
15x = 45
x = 3
Therefore as we got the value of x we can multiply with their suitable ratios
3 X 3 = 9 kg (A)
5 X 3 = 15kg (B)
7 X 3 = 21kg (C)
For the second part,
As A costs 7$ per kg and we have 9 of it multiplied and we get 63 $
Similarly, performing for B and C we get 150$ and 273$ respectively.
As we got these prices for a total of 45 kg but we need the price per kg to divide the total sum by 45 and we get 10.8 $.
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Answer:
total ratio is 3+5+7 = 15
bag A = 3/15 * 45 = 9 kg
bag B = 5/15 * 45 = 15 kg
bag C = 7/15 * 45 = 21 kg
ii) bag A = $7 per kg
= 7*9 = $63
bag B = $10 per kg
= 10*15 = $150
bag C = $13 per kg
= 13*21 = $273
bag A+B+C = 63+150+273 = $486
therefore $486 for 45kg
cost per kg= 486/45 = $10.8
compare pre (proportional reduction in error) for the two models (the two-group model vs. the regression model). which model has a higher pre?
The model with the higher PRE value is the one that has a greater proportional reduction in error, indicating that it explains more of the variance in the dependent variable and is therefore a better fit for the data.
To compare the pre (proportional reduction in error) for the two models, we need to calculate the pre value for each model and then compare them. The pre value measures the reduction in error achieved by using a model compared to using no model.
In the two-group model, pre can be calculated as the difference between the error rate of using no model and the error rate of using the two-group model, divided by the error rate of using no model. In the regression model, pre can be calculated as the difference between the error rate of using no model and the error rate of using the regression model, divided by the error rate of using no model.
Assuming that the two models are equally well-fitted to the data, the model with the higher pre value is the one that achieves a greater reduction in error. So, we need to compare the pre values for the two models.
If the two-group model achieves a higher pre value than the regression model, then it has a higher pre. Conversely, if the regression model achieves a higher pre value than the two-group model, then it has a higher pre. Without further information or analysis, it is not possible to say which model has a higher pre.
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What is the volume (in cubic units) of a cylinder with a radius of 12 units and a height of 11 units? Assume that π = 3. 14 and round your answer to the nearest tenth when necessary
The volume of the cylinder for the given radius and height is equal to 4973.8 square units
Radius of the cylinder = 12 units
height of the cylinder = 11 units
Value of π = 3. 14
Volume of the cylinder = πr²h
where 'r' is the radius of the cylinder.
And 'h' is the height of the cylinder.
Substitute the value we have in the formula we get,
Volume of the cylinder = 3.14 × ( 12 )² × 11
⇒Volume of the cylinder = 4973.76 square units
⇒Volume of the cylinder = 4973.8 square units ( nearest tenth )
Therefore, the volume of the cylinder is equal to 4973.8 square units
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PLEASE help :-/
Mai correctly used the Fermi process and the following estimates to determine how many packs of gum would fit inside the gymnasium she plays basketball in.
A pack of gum is about 15 ft long, 110 ft wide, and 150 ft thick.
The gymnasium is about 100 ft long, 80 ft wide, and 50 ft high.
Which equation could she have written?
a. 4×1054×10−4=1×109
b. 4×1054×10−4=1×101
c. 4×1064×10−4=1×1010
d. 4×1064×10−4=1×102
PLEASE
The equation that Mai could have written, using the Fermi process is A. ( 4x 10 ⁵ ) / ( 4x 10 ⁻⁴ ) = 1 x 10 ⁹.
What is the Fermi process ?A technique initiated by Fermi is used for predicting a rough figure or estimation of something, typically with minuscule or no details about the particulars of the thing being predicted.
The volume of the pack of gums would be:
= 1 / 5 x 1 / 10 x 1 / 50
= 0. 0004
= 4x 10 ⁻⁴
The volume of the gymnasium would be:
= 100 x 80 x 50
= 400, 000
= 4x 10 ⁵
So this can be written as:
( 4x 10 ⁵ ) / ( 4x 10 ⁻⁴ ) = 1 x 10⁹ .
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Solve for n. 11(n – 1) + 35 = 3n
a. n = –6
b. n = –3
c. n = 3
d. n = 6
The value on n in the the equation 11(n-1) + 35 = 3n is -3
To solve we will use the equation
11(n-1) + 35 = 3n
Subtracting 35 from both sides of the equation
11(n-1) + 35 - 35 = 3n - 35
11(n-1) = 3n -35
11n - 11 = 3n -35
Adding 11 on both sides of the equation
11n - 11 +11 = 3n -35 +11
11n = 3n -24
By subtracting 3n from both the side
11n - 3n = 3n - 24 - 3n
8n = -24
Dividing 8 from both sides
8n/8 = -24/8
n = -3
The value of n is -3
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A soccer team plays 12 games in its regular season, each game against a different team. Let X = the number of games the team wins. Is X binomial?
Yes, X is binomial because it meets the four criteria for a binomial distribution. X, representing the number of games the team wins, is a binomial random variable.
Yes, X is binomial because it meets the four criteria for a binomial distribution:
1) there are a fixed number of trials (12 games),
2) each trial is independent (the outcome of one game does not affect the outcome of another game),
3) there are only two possible outcomes for each trial (win or lose), and
4) the probability of success (winning) is constant for each trial (assuming the team's ability does not change throughout the season).
Yes, X is a binomial random variable because it meets the criteria for a binomial experiment. The criteria are:
1. Fixed number of trials (n): The soccer team plays 12 games in its regular season.
2. Two possible outcomes: Each game can result in either a win or a loss.
3. Independent trials: The outcome of each game is independent of the outcomes of the other games.
4. Constant probability of success (p): The probability of winning a game remains the same for each game played.
Therefore, X, representing the number of games the team wins, is a binomial random variable.
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cuantos litros caben en una caja de 20cm de amplada, 10cm de largo y 5 cm de altura
The number of liters it would take to fill this box would be 1 liter .
How to find the number of liters ?The number of liters that would go into the box can be found by finding the volume of the box as liters are a measure of volume .
To find the volume of the box, multiply its dimensions :
Volume = width × length × height
Volume = 20 cm × 10 cm × 5 cm
Volume = 1, 000 cm³
Since 1 liter is equal to 1000 cm³, the box can fit 1 liter of liquid .
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